Quote:
Originally Posted by NYCGPS
I'm not sure about Groopy and ALS but Mazda seems fine for your Applications.
No Apex seal can survive too much ping, Groopy might wrap instead of breaking like Mazda, but the result is the same --- you lose compression and you need a rebuild.
but if your tuning is safe you don't have to worry too much about that in the first place, all you really need to focus on is the tuning.
You can use 13B-MSP Eshaft and Bearings, they're better and cheaper. no modification is necessary. As for Rotor bearings, you don't need the compeition one unless you are going above 8-9K rpm all the time, stock actually works quite well
for oil pressure, you can just use FD rear and add 2 1/8" shims to the front, then you are set, and much cheaper
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Good info on the oil pressure regulator - should be cheaper than buying the "upgraded" unit from Racing Beat, etc.
A note on the RX-8 stationary gears: some modification is required for the rear gear to ensure the oil passage is open and you'll need to use hylomar/silicone to seal the rear gear to the housing as there is no o-ring groove.